RaceAtlas

Half Moon Bay Tides: Tuesday, July 21, 2026

Tide heights at Half Moon Bay with the flood, ebb and slack schedule at the Golden Gate.

3.5 ft5:13 AM2.0 ft10:25 AM5.4 ft5:13 PM2 ft4 ft6 ft12 AM6 AM12 PM6 PM12 AM
High 5.4 ft at 5:13 PM, low 2.0 ft at 10:25 AM. Gate: flood 2.5 kt at 3:37 PM, ebb 1.0 kt at 11:33 PM.
Modelled current at the Golden Gate on a 2.5 kt floodThe Gate at max flood, 2.5 kt
Tide height
TimeHeight
5:13 AMHigh3.5 ft
10:25 AMLow2.0 ft
5:13 PMHigh5.4 ft
Current · Golden Gate
TimeStateSpeed
1:04 AMslack–
4:26 AMmax flood ENE (074°)1.9 kt
7:47 AMslack–
9:54 AMmax ebb SW (235°)0.8 kt
12:15 PMslack–
3:37 PMmax flood ENE (074°)2.5 kt
7:39 PMslack–
11:33 PMmax ebb SW (235°)1.0 kt

Not for navigation. These are harmonic predictions, not live measurements. Tide heights: station 9414131 (Half Moon Bay). Currents: station SFB1203 (San Francisco Bay Entrance, Golden Gate). · RaceAtlas, the SF Bay current atlas.